Fail-Safe Chart

HINT:

If a system malfunction occurs, the applicable DTCs (Diagnostic Trouble Codes) will appear on the multi-information display.

1. The cruise main indicator keeps blinking until turning the main switch off, the master warning light comes on with the warning sound "Pop", and the display shows "E3". The cruise control operation is suspended until turning the main switch to ON again. The auto cancel function deletes the stored vehicle speed and cancels the cruise control operation in the following conditions.
   1. When the vehicle speed signal malfunctions.
   2. When the electronic throttle parts malfunction.
   3. When the stop light switch is open or short circuit.
   4. When the laser radar sensor malfunctions. (*1)
   5. When the light axis of the laser radar sensor is off the position.

      *1: Only in the Vehicle-to-vehicle Distance Control Mode.

      Fig 1: Identifying Display Shows "E3"

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. The cruise main indicator blinks, the master warning light comes on with the warning sound "Pop", and the display shows "E2". The cruise control operation is suspended until the canceling condition is resolved (in the Vehicle-to-vehicle Distance Control Mode only). The auto cancel function cancels the cruise control operation in the following conditions.
   1. When the wipers (Hi, Lo) operate (including the auto wiper).
   2. When the pattern select switch is in the "SNOW" mode.
   3. When the laser radar sensor receives strong light, such as sunlight, from the front side.
   4. When the Vehicle-to-vehicle distance measurement is extremely unstable because of a bad weather.
      Fig 2: Identifying Display Shows "E2"

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002